Home / 20,950,479.50-28,895,282.80-13,610,677.53

Finding the Fourth Proportional to 20,950,479.50, 28,895,282.80 and 13,610,677.53

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Solution

The fourth proportional to 20,950,479.50, 28,895,282.80 and 13,610,677.53 is: 18,772,094.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,950,479.50 : 28,895,282.80 = 13,610,677.53 : x
  2. Step 2: Convert to fraction form
    20,950,479.50/28,895,282.80 = 13,610,677.53/x
  3. Step 3: Cross multiply
    20,950,479.50x = 28,895,282.80 × 13,610,677.53
  4. Step 4: Simplify right side
    20,950,479.50x = 393,284,376,328,955.50
  5. Step 5: Solve for x
    x = 393,284,376,328,955.50/20,950,479.50
  6. Step 6: Final answer
    x = 18,772,094.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.